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All Journal Agrotrop : Journal on Agriculture Science Jurnal Bali Membangun Bali
KESUMADEWI, ANAK AGUNG ISTRI
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Hubungan Keanekaragaman Mesofauna Tanah dengan Kadar Bahan Organik di Hutan Sekunder Desa Candikuning Silva, Lizeti Frania Da; Kesumadewi, Anak Agung Istri; Atmaja, I Wayan Dana
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p17

Abstract

Relationship of Soil Mesofauna Diversity with Organic Little in Secondary Forest in Candikuning Village. Soil mesofauna play important role in maintaining and supporting soil fertility of natural forest. Their population, diversity, and function influenced by organic residues and inhibit by disturbance on the habitat, i.e., forest fragmentation. A field study to confirm the differences of soil mesofauna diversity and its relation to organic matter content among fragmented secondary natural forest in Candikuning village had done on February – April 2022. Study site was four fragmented secondary forest in Candikuning Village, i.e., Botanical Garden in Bedugul, secondary Geothermal natural forest, secondary natural forest impacted by short-cut development, and Village Binggo forest. Every 15 composite soil sample and organic residue had taken from minipit on each secondary natural forest followed by 3 replications. Soil mesofauna was extracted using berlesse-tullgren and lighted by 45 watt led lamp for 48 hours. Morphological identification of the soil mesofauna showed that 5 orders, 12 families, 15 genera, and 15 species were found on the study site. Soil mesofauna dominance index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was low (D = <0.3), which is between 0.05-0.22. The soil mesofauna diversity index in shortcut forest, Bedugul botanical garden forest, and geothermal forest was medium (H` = 1-3), which is between 1.64-2.30. The evenness index of the soil mesofauna at all research sites was high (E = > 0.6), which was between 0.70-0.98. The correlation of organic matter with soil mesofauna only significantly positive to Hemiptera in Geothermal Forest.
Keanekaragaman Mesofauna Tanah pada Lahan Pertanian Sayuran Konvensional dan Organik di Kecamatan Baturiti Silalahi, Yohanna; Kesumadewi, Anak Agung Istri; Atmaja, I Wayan Dana
Agrotrop : Journal on Agriculture Science Vol 13 No 3 (2023)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2023.v13.i03.p13

Abstract

Diversity of Soil Mesofauna on Conventional Agricultural Land and Organic in Baturiti Sub-District. A comparative descriptive research was carried out to determine the impact of conventional and organic vegetable cultivation systems on the diversity of soil mesofauna in Baturiti District. Each three replicates of soil samples were taken from 5 types of vegetable plants cultivated on conventional agricultural and organic agricultural lands. The samples were taken at a depth of 0-20 cm from purposive vegetable field. Soil mesofauna was separately extracted from each soil sample using the Barlesse-Tullgren extraction method with under 45 watt lamp for 48 hours. The morphology of the mesofauna was observed under stereo microscope. The research results show that the soil mesofauna on conventional agricultural land consists of 7 orders, 18 families, 19 genera and 22 species with a total of 31 individuals per m2, while on organic agricultural land there are 7 orders, 17 families, 20 genera and 23 species with the number of individuals was 45. The soil mesofauna dominance index in all research locations was low between 0.02-0.15. The soil mesofauna diversity index in all research locations is in the medium category, namely between 1.87-2.62. The evenness index of soil mesofauna types throughout the research location is in the high category, namely between 0.95-1.09.
Identifikasi Potensi dan Pengembangan Sistem Pertanian Organik menuju Bali Pulau Organik Kesumadewi, Anak Agung Istri; Susila, I Wayan; Gunadi, Gusti Alit; Sarjana, Dewa Gede Raka; Diara, I Wayan; Wirya, Gusti Ngurah Alit Susanta
Bali Membangun Bali: Jurnal Bappeda Litbang Vol 1 No 3 (2020): December 2020
Publisher : Badan Riset dan Inovasi Daerah Provinsi Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51172/jbmb.v1i3.141

Abstract

Purpose: By adopting an agriculture system that is in harmony with nature through an organic farming system approach, it is expected to produce commodities that are healthy and safe for consumption and have a higher economic value so that the two missions can be achieved in the future. Research methods: Research on identifying the potential and development of organic farming systems towards Bali organic islands had been carried out in all regencies and cities in Bali Province on May - December 2019. The research was conducted through a field survey and the results were agreed through FGD with stakeholders. Findings: Development of organic farming systems potentially carried out in almost all districts in Bali except in Klungkung Regency and Denpasar City. Implications: The innovation result of this research is the online, integrated, compact, lightweight, and easy to operate organic database system for Bali Province.
Co-Authors Gunadi, Gusti Alit Gusti Ngurah Alit Susanta Wirya I WAYAN DANA ATMAJA I Wayan Diara I Wayan Susila Sarjana, Dewa Gede Raka Silalahi, Yohanna Silva, Lizeti Frania Da